| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.lang; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import org.apache.ignite.internal.util.lang.GridIterator; |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.testframework.junits.common.GridCommonTest; |
| |
| /** |
| * GridFunc performance test. |
| */ |
| @GridCommonTest(group = "Lang") |
| public class GridFuncPerformanceTest extends GridCommonAbstractTest { |
| /** |
| * Creates test. |
| */ |
| public GridFuncPerformanceTest() { |
| super(/*start grid*/false); |
| } |
| |
| /** |
| * |
| */ |
| public void testTransformingIteratorPerformance() { |
| // Warmup. |
| testBody(); |
| testBody(); |
| testBody(); |
| |
| long r1 = testBody(); |
| long r2 = testBody(); |
| long r3 = testBody(); |
| |
| double r = (r1 + r2 + r3) / 3.f; |
| |
| System.out.println("Average result is: " + Math.round(r) + "msec."); |
| } |
| |
| /** |
| * |
| * @return Duration of the test. |
| */ |
| @SuppressWarnings({"UnusedDeclaration"}) |
| private long testBody() { |
| int MAX = 20000000; |
| |
| Collection<Integer> l = new ArrayList<>(MAX); |
| |
| for (int i = 0; i < MAX / 10; i++) |
| l.add(i); |
| |
| IgniteClosure<Integer, Integer> c = new IgniteClosure<Integer, Integer>() { |
| @Override public Integer apply(Integer e) { |
| return e; |
| } |
| }; |
| |
| IgnitePredicate<Integer> p1 = new IgnitePredicate<Integer>() { |
| @Override public boolean apply(Integer e) { |
| return e % 2 == 0; |
| } |
| }; |
| IgnitePredicate<Integer> p2 = new IgnitePredicate<Integer>() { |
| @Override public boolean apply(Integer e) { |
| return e % 2 != 0; |
| } |
| }; |
| |
| GridIterator<Integer> iter = F.iterator(l, c, true, p1, p2); |
| |
| long n = 0; |
| |
| long start = System.currentTimeMillis(); |
| |
| for (Integer i : iter) |
| n += i; |
| |
| long duration = System.currentTimeMillis() - start; |
| |
| System.out.println("Duration: " + duration + "msec."); |
| |
| return duration; |
| } |
| } |